This, tangentally at least, reminds me of a post by JWZ http://www.jwz.org/blog/2014/04/the-awful-thing-about-getting-it-right-the-first-time-is-that-nobody-rea

This, tangentally at least, reminds me of a post by JWZ http://www.jwz.org/blog/2014/04/the-awful-thing-about-getting-it-right-the-first-time-is-that-nobody-realizes-how-hard-it-was/ http://www.jwz.org/blog/2014/04/the-awful-thing-about-gettin... about poor design decisions in gnome screensaver causing vulnerabilities, again and again.